alejandraterraz5720 alejandraterraz5720

25-05-2023
Mathematics

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What is the smallest sample size required to provide a 95% confidence interval for a mean, if it is important that the interval be no longer than 1cm? You may assume that the population is normal with variance 9cm2. a. 34 b. 95 c. None of the others d. 1245 e. 139

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